Home / 1,010,949.76-1,395,349.92-581,478

Finding the Fourth Proportional to 1,010,949.76, 1,395,349.92 and 581,478

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Solution

The fourth proportional to 1,010,949.76, 1,395,349.92 and 581,478 is: 802,577.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,949.76 : 1,395,349.92 = 581,478 : x
  2. Step 2: Convert to fraction form
    1,010,949.76/1,395,349.92 = 581,478/x
  3. Step 3: Cross multiply
    1,010,949.76x = 1,395,349.92 × 581,478
  4. Step 4: Simplify right side
    1,010,949.76x = 811,365,280,781.76
  5. Step 5: Solve for x
    x = 811,365,280,781.76/1,010,949.76
  6. Step 6: Final answer
    x = 802,577.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.